CN109209879B - Closed rotor compressor - Google Patents

Closed rotor compressor Download PDF

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Publication number
CN109209879B
CN109209879B CN201810913623.6A CN201810913623A CN109209879B CN 109209879 B CN109209879 B CN 109209879B CN 201810913623 A CN201810913623 A CN 201810913623A CN 109209879 B CN109209879 B CN 109209879B
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rotor
flexible
exhaust
wheel
cylindrical
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CN201810913623.6A
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CN109209879A (en
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白明
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白明
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/40Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and having a hinged member
    • F04C18/44Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and having a hinged member with vanes hinged to the inner member

Abstract

A closed rotor compressor comprises a machine body (1) with an internal structure of a cylindrical cavity, wherein an air inlet (A) is formed in the side wall of the cylindrical cavity of the machine body (1), and a distribution channel (D) communicated with the air inlet (A) is formed in the inner wall of the machine body (1); the invention has simple structure, easy processing and manufacturing, high operation efficiency, energy saving and wide universality; can be made into semi-closed or fully-closed air-conditioning refrigeration compressor, and can be applied to central air-conditioning, refrigeration, refrigerator group complete equipment and various related industrial fields.

Description

Closed rotor compressor
Technical Field
The invention belongs to the technical field of positive displacement, and mainly relates to an air conditioner and a refrigeration compressor; applied to the complete equipment of central air-conditioning, refrigeration and freezer groups; fluid pressurizing and vacuum equipment can also be manufactured and used in various industrial fields.
Background
At present, the displacement compressors commonly used at home and abroad mainly comprise: reciprocating piston, screw, scroll. The above-mentioned various positive displacement compressors have the following disadvantages: the structure is complicated, the noise and the processing and manufacturing difficulty are high, and the operation efficiency is low.
Disclosure of Invention
The purpose of the invention is as follows: the present invention provides a closed rotor compressor; the purpose is in order to solve the problems of complex structure, noise, high difficulty in processing and manufacturing and low operation efficiency of the existing equipment.
The technical scheme is as follows:
a closed rotor compressor comprises a machine body (1) with a cylindrical cavity as an internal structure, wherein an air inlet (A) is formed in the side wall of the cylindrical cavity of the machine body (1), an end cover (4) is arranged at the left end of the machine body (1), and an end cover (6) is arranged at the right end of the machine body; an eccentric shaft (7) is arranged on the end cover (6); eccentric shaft (7) axle center O2 forms off-centre (e) with the axle center O1 of main shaft (5) of cylinder type organism (1), its characterized in that: a distribution channel (D) communicated with the air inlet (A) is arranged on the inner wall of the machine body (1);
a rotor unit (8) is arranged in the machine body (1), the rotor unit (8) is placed in a cylindrical cavity of the machine body (1), the rotor unit (8) comprises a rotor body (9) and a rotor, and a radial cylindrical surface of the rotor body (9) is movably matched with the inner wall of the cylindrical cavity of the machine body (1); a cylindrical cavity is formed in the rotor body (9), an air suction port (U) is formed in the wall thickness of the cylindrical cavity in the radial direction, and the air suction port (U) is communicated with a flow distribution channel (D) of the machine body (1) when sucking air; the left end of the rotor body (9) is connected with the main shaft (5) and rotates coaxially with the main shaft (5); a rotor is arranged in the cylindrical cavity of the rotor body (9), and the rotor and the eccentric shaft (7) rotate coaxially;
a closed gland (14) is arranged on the right end surface of the rotor body (9); a flow distribution exhaust passage (Y) is arranged on the closed gland (14); an exhaust distribution channel (P) is arranged on the rotor, and when the rotor rotates to an exhaust position, the exhaust distribution channel (P) is communicated with the flow distribution exhaust passage (Y);
the rotor includes one of two forms: a composite rotor (13) or a flexible body rotor (18); the composite rotor (13) comprises a rotor wheel (10) and a rotary piston (11); one end of a rotary piston (11) is connected with a rotor wheel (10) through a pin shaft (M) in a dynamic sealing fit mode, and the other end (N) is connected with a rotor body (9) through a pin shaft (Q); and the other end (N) of the rotary piston (11) is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential way (Q);
the rotor wheel (10) is supported by an eccentric shaft (7) on an end cover (6) and rotates coaxially with the eccentric shaft (7), an arc-shaped notch is arranged on the outer edge radial side surface of the rotor wheel (10) and serves as a return groove (H), the return groove (H) is of a structure capable of accommodating a rotary piston (11) and is buckled in, an exhaust distribution channel (P) is arranged on the end surface of the rotor wheel (10) and is communicated with the return groove (H),
the radial cylindrical surface of the rotor wheel (10) is in tangential (C) dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9);
the rotor wheel (10) and the rotary piston (11) are in dynamic sealing fit with a left end face (20) and a right end sealing gland (14) of the rotor body (9), and the rotor wheel (10) and the rotary piston (11) divide a cylindrical cavity in the rotor body (9) into two independent chambers (16) and (17);
the flexible rotor (18) comprises a flexible rotor wheel (12) and a flexible movable end (15); one end of the flexible movable end (15) is integrally connected with the flexible rotor wheel (12), and the other end of the flexible movable end is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential manner (Q); the end surface of the flexible rotor wheel (12) is provided with a flexible rotor wheel matching flow passage (P);
a return groove (H) is formed in the radial side face of the flexible rotor wheel (12), and the return groove (H) is communicated with the flexible rotor wheel distribution channel (P); the return groove (H) is a structure which can accommodate the buckling of the flexible movable end (15);
the radial cylindrical surface of the flexible rotor wheel (12) is in tangential (C) dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9);
flexible body rotor wheel (12) and flexible expansion end (15) all with left end face (20) of rotor block (9) and gland (14) movive seal cooperation of right-hand member, flexible body rotor wheel (12) and flexible expansion end (15) divide into two independent cavities with rotor block (9) interior cylindrical cavity: a first independent chamber (16) and a second independent chamber (17);
when the device works, the rotor body (9) rotates, the rotor body (9) drives the rotor wheel (10) or the flexible rotor wheel (12) to rotate through the rotary piston (11) or the flexible movable end (15), the volume of the second independent chamber (17) is changed from small to large, and organic working media are sucked into the second independent chamber (17) from the air inlet (A), the flow distribution channel (D) and the air suction port (U) to realize an air suction process; meanwhile, the volume of the first independent chamber (16) is changed from large to small; the organic working medium is compressed and the exhaust process is realized by the distribution channel (P), the distribution exhaust passage (Y) and the exhaust port (B); the operation process of air suction, compression and air exhaust of the refrigeration compressor is realized by the repeated movement.
An exhaust valve (V) is arranged at the exhaust port (B).
A rotor wheel framework (12-1) is arranged in the flexible rotor wheel (12).
The advantages and effects are as follows: the invention provides a closed rotor compressor, which has the advantages of simple structure, easy processing and manufacturing, high operating efficiency, energy conservation and wide universality; can be made into semi-closed or fully-closed air-conditioning refrigeration compressor, and can be applied to central air-conditioning, refrigeration, refrigerator group complete equipment and various related industrial fields.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a diagram of an operating state;
FIG. 3 is a diagram of an initial state;
FIG. 4 is a composite rotor structure view;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a view of a flexible rotor structure;
FIG. 7 is a diagram of an embodiment of a flexible rotor;
FIG. 8 is a schematic structural view of a rotor unit with a built-in composite rotor;
FIG. 9 is a schematic structural view of a rotor unit with a built-in flexible rotor;
FIG. 10 is an overall view of an embodiment of the present invention.
The specific implementation mode is as follows:
a closed rotor compressor comprises a machine body (1) with a cylindrical cavity as an internal structure, wherein an air inlet (A) is formed in the side wall of the cylindrical cavity of the machine body (1), an end cover (4) is arranged at the left end of the machine body (1), and an end cover (6) is arranged at the right end of the machine body; an eccentric shaft (7) is arranged on the end cover (6); eccentric shaft (7) axle center O2 forms off-centre (e) with the axle center O1 of main shaft (5) of cylinder type organism (1), its characterized in that: a distribution channel (D) communicated with the air inlet (A) is arranged on the inner wall of the machine body (1);
a rotor unit (8) is arranged in the machine body (1), the rotor unit (8) is placed in a cylindrical cavity of the machine body (1), the rotor unit (8) comprises a rotor body (9) and a rotor, and a radial cylindrical surface of the rotor body (9) is movably matched with the inner wall of the cylindrical cavity of the machine body (1); a cylindrical cavity is formed in the rotor body (9), an air suction port (U) is formed in the wall thickness of the cylindrical cavity in the radial direction, and the air suction port (U) is communicated with a flow distribution channel (D) of the machine body (1) when sucking air; the left end of the rotor body (9) is connected with the main shaft (5) and rotates coaxially with the main shaft (5); a rotor is arranged in the cylindrical cavity of the rotor body (9), and the rotor and the eccentric shaft (7) rotate coaxially; the air suction port (U) is arranged behind the moving direction (such as the arrow direction in figure 1) of the rotary piston (11) or the flexible movable end (15); when the air suction process is finished, the air suction port (U) and the cylindrical cavity of the machine body (1) are closed and dynamically sealed (as shown in a position of figure 3, namely, a section of disconnection is arranged on the flow distribution channel (D), the disconnected position is just the position of the end of the air suction process, as shown in figure 3, the air suction port (U) is just at the disconnected position when the air suction process is finished, so that the air suction port (U) and the cylindrical cavity of the machine body (1) are closed and dynamically sealed, and when the air suction of the next round is restarted, the air suction port (U) is rotated out from the disconnected part, so that the air suction port (U) is communicated with the flow distribution channel (D) again.)
A closed gland (14) is arranged on the right end surface of the rotor body (9); a flow distribution exhaust passage (Y) is arranged on the closed gland (14); an exhaust distribution channel (P) is arranged on the rotor, and when the rotor rotates to an exhaust position, the exhaust distribution channel (P) is communicated with the flow distribution exhaust passage (Y);
the rotor includes one of two forms: a composite rotor (13) or a flexible body rotor (18); the composite rotor (13) comprises a rotor wheel (10) and a rotary piston (11); one end of a rotary piston (11) is connected with a rotor wheel (10) through a pin shaft (M) in a dynamic sealing fit mode, and the other end (N) is connected with a rotor body (9) through a pin shaft (Q); and the other end (N) of the rotary piston (11) is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential way (Q);
the rotor wheel (10) is supported by an eccentric shaft (7) on an end cover (6) and rotates coaxially with the eccentric shaft (7), an arc-shaped notch is arranged on the outer edge radial side surface of the rotor wheel (10) and serves as a return groove (H), the return groove (H) is of a structure capable of accommodating a rotary piston (11) and is buckled in, an exhaust distribution channel (P) is arranged on the end surface of the rotor wheel (10) and is communicated with the return groove (H),
the radial cylindrical surface of the rotor wheel (10) is in tangential (C) dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9);
the rotor wheel (10) and the rotary piston (11) are in dynamic sealing fit with a left end face (20) and a right end sealing gland (14) of the rotor body (9), and the rotor wheel (10) and the rotary piston (11) divide a cylindrical cavity in the rotor body (9) into two independent chambers (16) and (17);
the flexible rotor (18) comprises a flexible rotor wheel (12) and a flexible movable end (15); one end of the flexible movable end (15) is integrally connected with the flexible rotor wheel (12), and the other end of the flexible movable end is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential manner (Q); the end surface of the flexible rotor wheel (12) is provided with a flexible rotor wheel matching flow passage (P);
a return groove (H) is formed in the radial side face of the flexible rotor wheel (12), and the return groove (H) is communicated with the flexible rotor wheel distribution channel (P); the return groove (H) is a structure which can accommodate the buckling of the flexible movable end (15);
the radial cylindrical surface of the flexible rotor wheel (12) is in tangential (C) dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9);
flexible body rotor wheel (12) and flexible expansion end (15) all with left end face (20) of rotor block (9) and gland (14) movive seal cooperation of right-hand member, flexible body rotor wheel (12) and flexible expansion end (15) divide into two independent cavities with rotor block (9) interior cylindrical cavity: a first independent chamber (16) and a second independent chamber (17);
the rotary piston (11) and the flexible rotor wheel (12) are matched and connected with a pin hole (F) on the bottom surface (left end surface (20)) of a concave cavity of the rotor body (9) and a pin hole (G) on the sealing gland (14) through a pin shaft (N) to form a rotor unit (8);
in operation, with reference to an embodiment of fig. 10, when the motor (3) is started, the rotor body (9) rotates, the rotor body (9) drives the rotor wheel (10) or the flexible rotor wheel (12) to rotate through the rotary piston (11) or the flexible movable end (15), the volume of the second independent chamber (17) is changed from small to large, the organic working medium is sucked into the second independent chamber (17) from the air inlet (a), the flow distribution channel (D) and the air suction port (U) to realize an air suction process, and meanwhile, the volume of the first independent chamber (16) is changed from large to small; the organic working medium is compressed and the exhaust process is realized by the distribution channel (P), the distribution exhaust passage (Y) and the exhaust port (B); the operation process of air suction, compression and air exhaust of the refrigeration compressor is realized by the repeated movement.
An exhaust valve (V) is arranged at the exhaust port (B).
A rotor wheel framework (12-1) is arranged in the flexible rotor wheel (12).
The invention is widely applied to the complete equipment of central air conditioners, refrigeration, refrigerator sets and all related industrial fields.

Claims (3)

1. The utility model provides a closed rotor compressor, includes that inner structure is cylinder die cavity organism (1), and it has air inlet (A), its characterized in that to open on organism (1) cylinder die cavity lateral wall: a distribution channel (D) communicated with the air inlet (A) is arranged on the inner wall of the machine body (1); a rotor unit (8) is arranged in the machine body (1), the rotor unit (8) is placed in a cylindrical cavity of the machine body (1), the rotor unit (8) comprises a rotor body (9) and a rotor, and a radial cylindrical surface of the rotor body (9) is movably matched with the inner wall of the cylindrical cavity of the machine body (1); a cylindrical cavity is formed in the rotor body (9), an air suction port (U) is formed in the wall thickness of the cylindrical cavity in the radial direction, and the air suction port (U) is communicated with a flow distribution channel (D) of the machine body (1) when sucking air; the left end of the rotor body (9) is connected with the main shaft (5) and rotates coaxially with the main shaft (5); a rotor is arranged in the cylindrical cavity of the rotor body (9), and the rotor and the eccentric shaft (7) rotate coaxially; the axle center O2 of the eccentric shaft (7) and the axle center O1 of the main shaft (5) of the cylindrical machine body (1) form an eccentric center (e),
a closed gland (14) is arranged on the right end surface of the rotor body (9); a flow distribution exhaust passage (Y) is arranged on the closed gland (14); an exhaust distribution channel (P) is arranged on the rotor, and when the rotor rotates to an exhaust position, the exhaust distribution channel (P) is communicated with the flow distribution exhaust passage (Y);
the rotor includes one of two forms: a composite rotor (13) or a flexible body rotor (18); the composite rotor (13) comprises a rotor wheel (10) and a rotary piston (11); one end of a rotary piston (11) is connected with a rotor wheel (10) through a pin shaft (M) in a dynamic sealing fit mode, and the other end (N) is connected with a rotor body (9) through a pin shaft (Q); and the other end (N) of the rotary piston (11) is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential way (Q);
the rotor wheel (10) is supported by an eccentric shaft (7) on an end cover (6) and coaxially rotates with the eccentric shaft (7), an arc-shaped notch is arranged on the outer edge of the rotor wheel (10) along the radial side surface to serve as a return groove (H), the return groove (H) is a structure capable of accommodating a rotary piston (11) and is buckled in, an exhaust distribution channel (P) is formed in the end surface of the rotor wheel (10), the exhaust distribution channel (P) is communicated with the return groove (H), and the rotor wheel (10) is in dynamic seal with the cylindrical surface of a cylindrical cavity of a rotor body (9) in the radial direction and is tangent to the inner cylindrical surface of the cylindrical cavity of the rotor body (;
rotor wheel (10) and rotary piston (11) all with rotor body (9) left end face (20) and right-hand member gland (14) movive seal cooperation, rotor wheel (10) and rotary piston (11) divide into two independent cavities with rotor body (9) interior cylindrical cavity: a first independent chamber (16) and a second independent chamber (17);
the flexible rotor (18) comprises a flexible rotor wheel (12) and a flexible movable end (15); one end of the flexible movable end (15) is integrally connected with the flexible rotor wheel (12), and the other end of the flexible movable end is in dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9) in a tangential manner (Q); an exhaust distribution channel (P) is arranged on the end surface of the flexible rotor wheel (12);
a return groove (H) is formed in the radial side face of the flexible rotor wheel (12), and the return groove (H) is communicated with the exhaust flow distribution channel (P); the return groove (H) is a structure which can accommodate the buckling of the flexible movable end (15);
the radial cylindrical surface of the flexible rotor wheel (12) is in tangential (C) dynamic seal with the inner cylindrical surface of the cylindrical cavity of the rotor body (9);
flexible body rotor wheel (12) and flexible expansion end (15) all with left end face (20) of rotor block (9) and gland (14) movive seal cooperation of right-hand member, flexible body rotor wheel (12) and flexible expansion end (15) divide into two independent cavities with rotor block (9) interior cylindrical cavity: a first independent chamber (16) and a second independent chamber (17);
when the flexible rotor wheel type air suction device works, the rotor body (9) rotates, the rotor wheel (10) or the flexible rotor wheel (12) is driven by the rotor body (9) through the rotary piston (11) or the flexible movable end (15) to rotate, the volume of the second independent chamber (17) is changed from small to large, and organic working media are sucked into the second independent chamber (17) through the air inlet (A), the flow distribution channel (D) and the air suction port (U) to realize an air suction process; meanwhile, the volume of the first independent chamber (16) is changed from large to small; the organic working medium is compressed and the exhaust process is realized by an exhaust distribution channel (P), a distribution exhaust channel (Y) and an exhaust port (B); the operation process of air suction, compression and air exhaust of the refrigeration compressor is realized by the repeated movement.
2. A hermetic rotor compressor, as claimed in claim 1, wherein: an exhaust valve (V) is arranged at the exhaust port (B).
3. A hermetic rotor compressor, as claimed in claim 1, wherein: a rotor wheel framework (12-1) is arranged in the flexible rotor wheel (12).
CN201810913623.6A 2018-08-13 2018-08-13 Closed rotor compressor Active CN109209879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810913623.6A CN109209879B (en) 2018-08-13 2018-08-13 Closed rotor compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810913623.6A CN109209879B (en) 2018-08-13 2018-08-13 Closed rotor compressor

Publications (2)

Publication Number Publication Date
CN109209879A CN109209879A (en) 2019-01-15
CN109209879B true CN109209879B (en) 2020-08-28

Family

ID=64988305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810913623.6A Active CN109209879B (en) 2018-08-13 2018-08-13 Closed rotor compressor

Country Status (1)

Country Link
CN (1) CN109209879B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703408B1 (en) * 1993-04-02 1995-05-19 Marjolaine Poinsot Universal rotary vane pump.
CN2438850Y (en) * 2000-08-28 2001-07-11 李辛沫 Full-closed rotary compressor
WO2013068531A2 (en) * 2011-11-11 2013-05-16 Dieter Brox Controllable vane compressor
KR101977379B1 (en) * 2014-02-28 2019-05-13 한온시스템 주식회사 Vane rotary compressor

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